diff --git a/panoramix/static/widgets/viz_sankey.js b/panoramix/static/widgets/viz_sankey.js
index 43445f3f3f..06ae414012 100644
--- a/panoramix/static/widgets/viz_sankey.js
+++ b/panoramix/static/widgets/viz_sankey.js
@@ -98,7 +98,7 @@ function viz_sankey(data_attribute) {
             link.attr("d", path);
           }
             token.select("img.loading").remove();
-          done();
+          done(json);
         });
     }
     return {